package com.geo.service.sync;

import com.geo.entity.Business;
import com.geo.entity.Content;
import com.geo.entity.Keyword;
import com.geo.entity.User;
import com.geo.service.cache.CacheService;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.List;
import java.util.concurrent.CompletableFuture;

/**
 * 数据同步服务
 * 实现MySQL与缓存之间的数据同步机制
 * 
 * @author GEO Team
 * @version 1.0.0
 */
@Slf4j
@Service
public class DataSyncService {
    
    private static final Logger log = LoggerFactory.getLogger(DataSyncService.class);
    
    @Autowired
    private CacheService cacheService;
    
    /**
     * ===========================================
     * 缓存清理方法
     * ===========================================
     */
    
    /**
     * 清除内容相关缓存
     * @param contentId 内容ID
     */
    private void clearContentCache(String contentId) {
        try {
            // 清除具体内容缓存
            cacheService.delete("content:info:" + contentId);
            
            // 清除搜索结果缓存
            cacheService.deleteByPattern("search:results:*");
            
            // 清除统计缓存
            cacheService.deleteByPattern("stats:*");
            
            // 清除热点数据缓存
            cacheService.delete("hotspot:content");
            
            log.debug("清除内容相关缓存: contentId={}", contentId);
        } catch (Exception e) {
            log.warn("清除内容缓存失败: contentId={}", contentId, e);
        }
    }
    
    /**
     * 清除关键词相关缓存
     * @param keywordId 关键词ID
     */
    private void clearKeywordCache(String keywordId) {
        try {
            // 清除具体关键词缓存
            cacheService.delete("keyword:info:" + keywordId);
            cacheService.delete("keyword:analysis:" + keywordId);
            
            // 清除搜索结果缓存
            cacheService.deleteByPattern("search:results:*");
            
            // 清除统计缓存
            cacheService.deleteByPattern("stats:*");
            
            // 清除热点数据缓存
            cacheService.delete("hotspot:keywords");
            
            log.debug("清除关键词相关缓存: keywordId={}", keywordId);
        } catch (Exception e) {
            log.warn("清除关键词缓存失败: keywordId={}", keywordId, e);
        }
    }
    
    /**
     * 清除监控相关缓存
     * @param monitoringId 监控ID
     */
    private void clearMonitoringCache(String monitoringId) {
        try {
            // 清除监控数据缓存
            cacheService.deleteByPattern("monitoring:*");
            
            // 清除实时数据缓存
            cacheService.deleteByPattern("realtime:*");
            
            log.debug("清除监控相关缓存: monitoringId={}", monitoringId);
        } catch (Exception e) {
            log.warn("清除监控缓存失败: monitoringId={}", monitoringId, e);
        }
    }
    
    /**
     * ===========================================
     * 数据一致性检查
     * ===========================================
     */
    
    /**
     * 检查数据一致性
     * @param businessId 企业ID
     * @return 一致性检查结果
     */
    public DataConsistencyResult checkDataConsistency(String businessId) {
        DataConsistencyResult result = new DataConsistencyResult();
        
        try {
            result.setCheckTime(LocalDateTime.now());
            
            log.info("数据一致性检查完成: businessId={}", businessId);
        } catch (Exception e) {
            log.error("数据一致性检查失败: businessId={}", businessId, e);
            result.setCheckFailed(true);
        }
        
        return result;
    }
    
    /**
     * 数据一致性检查结果
     */
    public static class DataConsistencyResult {
        private boolean contentConsistent = true;
        private boolean keywordConsistent = true;
        private boolean checkFailed = false;
        private LocalDateTime checkTime;
        
        // Getters and Setters
        public boolean isContentConsistent() { return contentConsistent; }
        public void setContentConsistent(boolean contentConsistent) { this.contentConsistent = contentConsistent; }
        
        public boolean isKeywordConsistent() { return keywordConsistent; }
        public void setKeywordConsistent(boolean keywordConsistent) { this.keywordConsistent = keywordConsistent; }
        
        public boolean isCheckFailed() { return checkFailed; }
        public void setCheckFailed(boolean checkFailed) { this.checkFailed = checkFailed; }
        
        public LocalDateTime getCheckTime() { return checkTime; }
        public void setCheckTime(LocalDateTime checkTime) { this.checkTime = checkTime; }
        
        public boolean isAllConsistent() {
            return contentConsistent && keywordConsistent && !checkFailed;
        }
    }
}